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Dimensions
EB3N-A2ND
EB3N-M2ND
65.0
• Mounting Hole Layout
EB3N-A2ND
EB3N-M2ND
2-M4 tapped or
2-ø4.5 drilled holes
51
EB3N System Configuration Examples
• 1:1 connection with a safety input device, compliant with Category 4
Hazardous Area
Non-hazardous Area
Safety Input Device
EB3N-A2ND
Safety Input Device
EB3N-M2ND
• Connection with multiple safety input devices, capable of monitoring up to 5 contact operations, compliant with Category 3
For monitoring operating statuses of safety input devices located in a non-hazardous area
Hazardous Area
Non-hazardous Area
Safety Input Devices
EB3N-A2R5D
Connected in Series
...
Monitor
Safety Input Devices
EB3N-M2R5D
Connected in Series
...
Monitor
• Installing a reset switch in a hazardous area, using auxiliary input and output
Hazardous Area
Non-hazardous Area
Safety Input Devices
...
EB3N-A2R5D
Reset (Start) Switch
Other Input Device
Safety Input Devices
EB3N-M2R5D
Reset (Start) Switch
Other Input Device
(10/02/05)
EB3N-A2R5D
EB3N-M2R5D
110.5
EB3N-A2R5D
EB3N-M2R5D
2-M4 tapped or
2-ø4.5 drilled holes
97
Safety Control Device
Barrier Safety Output
Reset (Start) Input
Barrier Safety Output
Safety Contactor
Backcheck Input
Reset (Start) Input
Safety Control Device
Barrier Safety Output
PLC
Auxiliary Output
(Monitor Output)
Barrier Safety Output
Safety Contactor
Backcheck Input
Reset (Start) Input
PLC
Auxiliary Output
(Monitor Output)
Barrier Safety Output
Safety Control Device
Reset (Start) Output
PLC
Other Output
Barrier Safety Output
Safety Contactor
Backcheck Input
PLC
Reset (Start) Input
Other Output
EB3N Safety Relay Barrier
Terminal Functions
24V DC
Y1-Y2
77.5
11-12
21-22
N1, N2
P*-N3
13-14
23-24
A*-C1
*: 1 to 5
All dimensions in mm.
• A safety relay module or safety controller
is used to set up a safety circuit, using
Safety Output
Safety Contactor
the reset (start) function of the safety
relay module or safety controller.
Backcheck Input
• The reset (start) function is used to set up
a safety circuit, without using a safety
relay module or safety controller.
• A safety relay module or safety controller
Safety Output
Safety Contactor
is used to set up a safety circuit, using
the reset (start) function of the safety
relay module or safety controller.
Backcheck Input
Reset (Start) Input
• The manual reset (manual start) function
of the EB3N is used to set up a safety
circuit, without using a safety control
device.
Safety Output
Safety Contactor
Backcheck Input
Power
Reset input
(Start input)
Safety input 1
Safety input 2
Signal ground
Auxiliary input
Safety output 1
Safety output 2
Auxiliary output
3
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